package com.mlblog_springboot.util;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Utils {
    public static String code(String str){
        try{
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(str.getBytes());
            byte[] byteDigest = md.digest();
            int i;
            StringBuffer buf = new StringBuffer();

            for (byte b : byteDigest) {
                i = b;
                if (i < 0)
                    i += 256;
                if (i < 16)
                    buf.append("0");
                buf.append(Integer.toHexString(i));
            }
            return buf.toString();


        }catch (NoSuchAlgorithmException e){
            e.printStackTrace();
            return null;
        }
    }

//    public static void main(String[] args) {
//        System.out.println(code("111111111"));
//    }
}
